Featuring adjustable length from 11.4 " to 60.7 " and a 360 degree rotational designs, this stair gauge set ensures accurate measurements Simplifying complex stair building calculations with the added 180 degree scale, while the manual knob allows for smooth adjustments during use, ensuring precise alignment Revolutionize your stair building projects with this 360 degree rotational stair treads measuring tool, crafted from aluminum alloy for precisions and longevitys For professional builders, and diyer enthusiasts lookings to enhances the and efficiency of their stair constructions work Whether renovating a home or constructing new staircases, this cutting guide tool is essential for achieving perfectly treads and consistent height, Manufacturer: Kaeltsyn